It is simple to activate Pluto TV on your device and enjoy watching on-demand programs. The best part is that you will not pay any activation fee to complete the channel activation process. Here is a step by step instructions on how to activate Pluto TV so that you can stream the best tv shows, movies, and videos. Step 1: Start by preparing the device for activation i.e. turn it on, connect the device to power, and finish the initial set up process. Step 2: Go to channel 02 where you will see the 6 digit activation code at the top of the screen.